Phlogopite Mica Powder
Appearance:
Phlogopite Mica Commonly in yellowish-brown or reddish-brown, some in greyish-green color.
Luster:
Vitreous luster. Its cleavage plane has nacreous luster or submetallic luster.
Crystal Form:
Monoclinic crystal, pseudo-hexagonal crystalline or short cylindrical model.
Distinguishing Feature:
1.High insulating strength and large electrical resistance.
2.Low electrolyte loss.plastic grade mica
3.Good arc-resistance and corona resistance.
4.High mechanical strength.
5.Resistant to high temperature and dramatic temperature changes.
6.Resistant to acid and alkali
Chemical Composition:
|
Element
|
SiO₂
|
Al₂O₃
|
K₂O
|
Na₂O
|
MgO
|
CaO
|
TiO₂
|
Fe₂O₃
|
S+P
|
|
Content（%）
|
40.6-48.5
|
10.8-19.8
|
8.2-9.8
|
0.6-0.7
|
20.5-23.8
|
0.4-0.6
|
0.8-0.9
|
1.5-7.5
|
0.02
|
Physical Property:
|
Thermal Endurance（℃）
|
Mohs Hardness
|
Density（g/cm³）
|
Dielectric Strength （KV/mm）
|
Tensile Strength（MPa）
|
Modulus of Elasticity (MPa)
|
Melting Point（℃）
|
|
800-900
|
2.65
|
2.70-2.85
|
122
|
157-206
|
1395-1874
|
1375
|
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